Today we begin a two-part series on Trade Shows 2.0. This time, we’ll cover Web 2.0 technology tools for both exhibitors and shows. In the next episode, we’ll talk about how some groups are reinventing the traditional trade show format. (This is an enhanced podcast, so if you’re watching in iTunes, you’ll see graphics and Web links included. You’ll also see these if you’re watching on your iPod or in QuickTime. Or simply click the “Read More” link to view more details & links right on this page.) Social media … Web